diff --git a/.changeset/breezy-carrots-hunt.md b/.changeset/breezy-carrots-hunt.md
new file mode 100644
index 0000000000..0075009a2d
--- /dev/null
+++ b/.changeset/breezy-carrots-hunt.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-explore': patch
+---
+
+Add "Organization" tab with a diagram
diff --git a/plugins/explore/src/components/ExplorePage/ExploreTabs.tsx b/plugins/explore/src/components/ExplorePage/ExploreTabs.tsx
index 0cf28f9f1c..0415dd97ae 100644
--- a/plugins/explore/src/components/ExplorePage/ExploreTabs.tsx
+++ b/plugins/explore/src/components/ExplorePage/ExploreTabs.tsx
@@ -16,6 +16,7 @@
import { TabbedLayout } from '@backstage/core';
import React from 'react';
import { DomainExplorerContent } from '../DomainExplorerContent';
+import { GroupsExplorerContent } from '../GroupsExplorerContent';
import { ToolExplorerContent } from '../ToolExplorerContent';
export const ExploreTabs = () => (
@@ -23,6 +24,9 @@ export const ExploreTabs = () => (
+
+
+
diff --git a/plugins/explore/src/components/GroupsExplorerContent/GroupsDiagram.test.tsx b/plugins/explore/src/components/GroupsExplorerContent/GroupsDiagram.test.tsx
new file mode 100644
index 0000000000..022387faca
--- /dev/null
+++ b/plugins/explore/src/components/GroupsExplorerContent/GroupsDiagram.test.tsx
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2020 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ApiProvider, ApiRegistry } from '@backstage/core';
+import {
+ catalogApiRef,
+ CatalogApi,
+ entityRouteRef,
+} from '@backstage/plugin-catalog-react';
+import { Entity } from '@backstage/catalog-model';
+import { renderInTestApp } from '@backstage/test-utils';
+import React from 'react';
+import { GroupsDiagram } from './GroupsDiagram';
+
+describe('', () => {
+ beforeAll(() => {
+ Object.defineProperty(window.SVGElement.prototype, 'getBBox', {
+ value: () => ({ width: 100, height: 100 }),
+ configurable: true,
+ });
+ });
+
+ it('shows groups', async () => {
+ const catalogApi: Partial = {
+ getEntities: () =>
+ Promise.resolve({
+ items: [
+ {
+ apiVersion: 'backstage.io/v1alpha1',
+ kind: 'Group',
+ metadata: {
+ name: 'group-a',
+ namespace: 'my-namespace',
+ },
+ spec: {
+ type: 'organization',
+ },
+ },
+ ] as Entity[],
+ }),
+ };
+
+ const { getByText } = await renderInTestApp(
+
+
+ ,
+ {
+ mountedRoutes: {
+ '/catalog/:namespace/:kind/:name': entityRouteRef,
+ },
+ },
+ );
+
+ expect(getByText('my-namespace/group-a')).toBeInTheDocument();
+ });
+});
diff --git a/plugins/explore/src/components/GroupsExplorerContent/GroupsDiagram.tsx b/plugins/explore/src/components/GroupsExplorerContent/GroupsDiagram.tsx
new file mode 100644
index 0000000000..99157b878f
--- /dev/null
+++ b/plugins/explore/src/components/GroupsExplorerContent/GroupsDiagram.tsx
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+ RELATION_CHILD_OF,
+ stringifyEntityRef,
+ parseEntityRef,
+} from '@backstage/catalog-model';
+import {
+ catalogApiRef,
+ entityRouteRef,
+ getEntityRelations,
+ formatEntityRefTitle,
+} from '@backstage/plugin-catalog-react';
+import {
+ DependencyGraph,
+ DependencyGraphTypes,
+ Progress,
+ useApi,
+ ResponseErrorPanel,
+ Link,
+ useRouteRef,
+ configApiRef,
+} from '@backstage/core';
+import { makeStyles, Typography } from '@material-ui/core';
+import ZoomOutMap from '@material-ui/icons/ZoomOutMap';
+import React from 'react';
+import { useAsync } from 'react-use';
+import { BackstageTheme } from '@backstage/theme';
+
+const useStyles = makeStyles((theme: BackstageTheme) => ({
+ organizationNode: {
+ fill: 'coral',
+ stroke: theme.palette.border,
+ },
+ groupNode: {
+ fill: 'yellowgreen',
+ stroke: theme.palette.border,
+ },
+}));
+
+function RenderNode(props: DependencyGraphTypes.RenderNodeProps) {
+ const classes = useStyles();
+ const catalogEntityRoute = useRouteRef(entityRouteRef);
+
+ if (props.node.id === 'root') {
+ return (
+
+
+
+ {props.node.name}
+
+
+ );
+ }
+
+ const ref = parseEntityRef(props.node.id);
+
+ return (
+
+
+
+
+ {props.node.name}
+
+
+
+ );
+}
+
+/**
+ * Dynamically generates a diagram of groups registered in the catalog.
+ */
+export function GroupsDiagram() {
+ const nodes = new Array<{ id: string; kind: string; name: string }>();
+ const edges = new Array<{ from: string; to: string; label: string }>();
+
+ const configApi = useApi(configApiRef);
+ const catalogApi = useApi(catalogApiRef);
+ const organizationName =
+ configApi.getOptionalString('organization.name') ?? 'Backstage';
+ const { loading, error, value: catalogResponse } = useAsync(() => {
+ return catalogApi.getEntities({
+ filter: {
+ kind: ['Group'],
+ },
+ });
+ }, [catalogApi]);
+
+ if (loading) {
+ return ;
+ } else if (error) {
+ return ;
+ }
+
+ // the root of this diagram is the organization
+ nodes.push({
+ id: 'root',
+ kind: 'Organization',
+ name: organizationName,
+ });
+
+ for (const catalogItem of catalogResponse?.items || []) {
+ const currentItemId = stringifyEntityRef(catalogItem);
+
+ nodes.push({
+ id: stringifyEntityRef(catalogItem),
+ kind: catalogItem.kind,
+ name: formatEntityRefTitle(catalogItem, { defaultKind: 'Group' }),
+ });
+
+ // Edge to parent
+ const catalogItemRelations_childOf = getEntityRelations(
+ catalogItem,
+ RELATION_CHILD_OF,
+ );
+
+ // if no parent is found, link the node to the root
+ if (catalogItemRelations_childOf.length === 0) {
+ edges.push({
+ from: currentItemId,
+ to: 'root',
+ label: '',
+ });
+ }
+
+ catalogItemRelations_childOf.forEach(relation => {
+ edges.push({
+ from: currentItemId,
+ to: stringifyEntityRef(relation),
+ label: '',
+ });
+ });
+ }
+
+ return (
+ <>
+
+
+ Use pinch & zoom
+ to move around the diagram.
+
+ >
+ );
+}
diff --git a/plugins/explore/src/components/GroupsExplorerContent/GroupsExplorerContent.test.tsx b/plugins/explore/src/components/GroupsExplorerContent/GroupsExplorerContent.test.tsx
new file mode 100644
index 0000000000..38c4678d5a
--- /dev/null
+++ b/plugins/explore/src/components/GroupsExplorerContent/GroupsExplorerContent.test.tsx
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2020 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Entity } from '@backstage/catalog-model';
+import { ApiProvider, ApiRegistry } from '@backstage/core';
+import { catalogApiRef, entityRouteRef } from '@backstage/plugin-catalog-react';
+import { renderInTestApp } from '@backstage/test-utils';
+import { waitFor } from '@testing-library/react';
+import React from 'react';
+import { GroupsExplorerContent } from '../GroupsExplorerContent';
+
+describe('', () => {
+ const catalogApi: jest.Mocked = {
+ addLocation: jest.fn(_a => new Promise(() => {})),
+ getEntities: jest.fn(),
+ getOriginLocationByEntity: jest.fn(),
+ getLocationByEntity: jest.fn(),
+ getLocationById: jest.fn(),
+ removeLocationById: jest.fn(),
+ removeEntityByUid: jest.fn(),
+ getEntityByName: jest.fn(),
+ };
+
+ const Wrapper = ({ children }: { children?: React.ReactNode }) => (
+
+ {children}
+
+ );
+
+ beforeEach(() => {
+ jest.resetAllMocks();
+
+ Object.defineProperty(window.SVGElement.prototype, 'getBBox', {
+ value: () => ({ width: 100, height: 100 }),
+ configurable: true,
+ });
+ });
+
+ it('renders a groups diagram', async () => {
+ const entities: Entity[] = [
+ {
+ apiVersion: 'backstage.io/v1alpha1',
+ kind: 'Group',
+ metadata: {
+ name: 'group-a',
+ namespace: 'my-namespace',
+ },
+ spec: {
+ type: 'organization',
+ },
+ },
+ ];
+ catalogApi.getEntities.mockResolvedValue({ items: entities });
+
+ const { getByText } = await renderInTestApp(
+
+
+ ,
+ {
+ mountedRoutes: {
+ '/catalog/:namespace/:kind/:name': entityRouteRef,
+ },
+ },
+ );
+
+ await waitFor(() => {
+ expect(getByText('my-namespace/group-a')).toBeInTheDocument();
+ });
+ });
+
+ it('renders a friendly error if it cannot collect domains', async () => {
+ const catalogError = new Error('Network timeout');
+ catalogApi.getEntities.mockRejectedValueOnce(catalogError);
+
+ const { getByText } = await renderInTestApp(
+
+
+ ,
+ {
+ mountedRoutes: {
+ '/catalog/:namespace/:kind/:name': entityRouteRef,
+ },
+ },
+ );
+
+ await waitFor(() =>
+ expect(getByText(/Warning: Network timeout/)).toBeInTheDocument(),
+ );
+ });
+});
diff --git a/plugins/explore/src/components/GroupsExplorerContent/GroupsExplorerContent.tsx b/plugins/explore/src/components/GroupsExplorerContent/GroupsExplorerContent.tsx
new file mode 100644
index 0000000000..c4d46206e4
--- /dev/null
+++ b/plugins/explore/src/components/GroupsExplorerContent/GroupsExplorerContent.tsx
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { Content, ContentHeader, SupportButton } from '@backstage/core';
+import React from 'react';
+import { GroupsDiagram } from './GroupsDiagram';
+
+export const GroupsExplorerContent = () => {
+ return (
+
+
+ Explore your groups.
+
+
+
+
+ );
+};
diff --git a/plugins/explore/src/components/GroupsExplorerContent/index.ts b/plugins/explore/src/components/GroupsExplorerContent/index.ts
new file mode 100644
index 0000000000..4d88f40dde
--- /dev/null
+++ b/plugins/explore/src/components/GroupsExplorerContent/index.ts
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export { GroupsExplorerContent } from './GroupsExplorerContent';